drm/mediatek: Add mbox_free_channel in mtk_drm_crtc_destroy

Add mbox_free_channel in mtk_drm_crtc_destroy.

Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index ffa54b4..b48b76b 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -156,6 +156,11 @@ static void mtk_drm_crtc_destroy(struct drm_crtc *crtc)
        mtk_mutex_put(mtk_crtc->mutex);
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
        mtk_drm_cmdq_pkt_destroy(&mtk_crtc->cmdq_handle);
+
+       if (mtk_crtc->cmdq_client.chan) {
+               mbox_free_channel(mtk_crtc->cmdq_client.chan);
+               mtk_crtc->cmdq_client.chan = NULL;
+       }
 #endif
        drm_crtc_cleanup(crtc);
 }